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L8-WE-2 - Lesson 8 Kinetics Work-Energy#2 Fall 08 Student...

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Lesson 8 Kinetics: Work-Energy #2 Fall 08 Student Advice: “Don't Fall behind. Look over the PPT slides before and after class. I lost too many points for in-class quizzes, so make sure to study before the quizzes. Dynamics can be easier than it sounds, and it is more interesting than statics.”
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Admin Homework Due Friday Project #1 will be handed out Friday
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Imagine you are walking at constant speed towards the center of a rotating platform (like those merry- go-rounds you might find in a neighborhood park). The platform is spinning CCW at a constant angular velocity when viewed from above. In what direction will you experience acceleration? ϖ
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A 10 kg sled slides down a 30 degree slope. Because of friction it maintains a constant speed. For every meter of travel, the energy lost to friction (in joules) is V g = mgh
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Lesson Objectives 1. Master work-energy relationships to solve dynamics problems.
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